Length l = 22.1538461538

Expression 21: "D" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline equals 0

equals

Expression 22: "E" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline equals 15.6 5 3 8 4 6 1 5 3 8

equals

15.6 5 3 8 4 6 1 5 3 8

Expression 23: "E" Subscript, 2 , Baseline equals 2 "C" Subscript, 2 , Baseline equals 9.2 3 0 7 6 9 2 3 0 7 7

equals

9.2 3 0 7 6 9 2 3 0 7 7

Expression 24: "F" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline equals negative 6.5

equals

negative 6.5

Expression 25: "F" Subscript, 2 , Baseline equals "E" Subscript, 2 , Baseline equals 9.2 3 0 7 6 9 2 3 0 7 7

equals

9.2 3 0 7 6 9 2 3 0 7 7

Expression 26: "m" Subscript, 1 , Baseline equals StartFraction, "F" Subscript, 2 , Baseline Over "F" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline , EndFraction equals negative 0.4 1 6 6 6 6 6 6 6 6 6 7

equals

negative 0.4 1 6 6 6 6 6 6 6 6 6 7

Expression 27: "m" Subscript, 1 , Baseline left parenthesis, "x" minus "D" Subscript, 1 , Baseline , right parenthesis equals StartRoot, "R" squared minus "x" squared , EndRoot

Expression 28: "m" squared left parenthesis, "x" minus "D" Subscript, 1 , Baseline , right parenthesis squared equals "R" squared minus "x" squared

Expression 29: left parenthesis, "m" squared plus 1 , right parenthesis "x" squared minus 2 "m" squared "D" Subscript, 1 , Baseline "x" plus "m" squared "D" squared minus "R" squared equals 0

Expression 30: "a" equals "m" squared plus 1 equals 1.1 7 3 6 1 1 1 1 1 1 1

equals

1.1 7 3 6 1 1 1 1 1 1 1

Expression 31: "b" equals negative 2 "m" squared "D" Subscript, 1 , Baseline equals negative 5.4 3 5 3 6 3 2 4 7 8 6

equals

negative 5.4 3 5 3 6 3 2 4 7 8 6

Expression 32: "c" equals "m" squared "D" squared minus "R" squared equals 0.2 9 2 1 7 0 0 3 6 1 6

equals

0.2 9 2 1 7 0 0 3 6 1 6

Expression 33: "T" Subscript, 1 , Baseline equals StartFraction, negative "b" minus StartRoot, "b" squared minus 4 "a" "c" , EndRoot Over 2 "a" , EndFraction equals 0.0 5 4 3 9 2 3 5 3 2 0 8 9

equals

0.0 5 4 3 9 2 3 5 3 2 0 8 9

Expression 34: "T" Subscript, 2 , Baseline equals "m" Subscript, 1 , Baseline left parenthesis, "T" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline , right parenthesis equals 6.4 9 9 7 7 2 4 1 6 9 3

equals

6.4 9 9 7 7 2 4 1 6 9 3

Expression 35: "R" StartRoot, 2 , EndRoot equals 9.1 9 2 3 8 8 1 5 5 4 3

equals

9.1 9 2 3 8 8 1 5 5 4 3

Expression 36: "F" Subscript, 2 , Baseline equals 9.2 3 0 7 6 9 2 3 0 7 7

equals

9.2 3 0 7 6 9 2 3 0 7 7

Graphs

Expression 38: "y" less than 25 Has graph. To audio trace, press ALT+T.

Expression 39: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis Has graph.

domain t Minimum:

less than or equal to "t" less than or equal to

domain t Maximum: 180

Expression 40: polygon left parenthesis, "A" , "T" , "A" , "D" , "C" , "B" , "C" , "F" , "D" , "E" , "F" , right parenthesis Has graph.

Points

Rectangle Length l = EF = ?

Width w

AT = w